/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.tlf.dyjc5.servlet.home;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author tengyu
 */
public class LogoutServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");        
        //PrintWriter out = response.getWriter();
        try {            
//            ApplicationContext context = WebApplicationContextUtils.getWebApplicationContext(request.getSession().getServletContext());
//            LogService logService = (LogService) context.getBean("logService");
              HttpSession session = (HttpSession)request.getSession();
              session.setAttribute("exit", 0);
//            String clientIP = request.getRemoteAddr();
//            String user = (String)session.getAttribute("user");            
//            session.getServletContext().removeAttribute(user);
//            session
            session.invalidate(); 
            
        } catch(Exception e){
            e.printStackTrace();
        }finally {
            String s = request.getContextPath();           
            response.sendRedirect(s+"/Login.jsp");
            //out.println("<script language=\"javascript\">window.open('/DYJC5Web/Login.jsp','_self');</script>");
            //out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
